import java.io.*;
public class Example10_5 {
	public static void main(String[] args) {
		byte [] a = "新年快乐".getBytes();
		byte [] b ="Happy New Year".getBytes();
		File file = new File("a.txt");	
		try{
			OutputStream out = new FileOutputStream(file);
			System.out.println(file.getName()+"的大小:"+file.length()+"字节");
			out.write(a);
			out.close();
			out = new FileOutputStream(file,true);
			System.out.println(file.getName()+"的大小:"+file.length()+"字节");
			out.close();
		}
		catch (IOException e) {
			System.out.println("Error "+e);
		}
	}
}

